The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 26, 2013
Filed:
Oct. 06, 2009
David DO, Brentwood, CA (US);
Christopher H. Domke, Rosharon, TX (US);
Jacinto Lopez-toledo, Lake Jackson, TX (US);
David M. Petraitis, Covington, LA (US);
Thomas Z. Srnak, Arlington Heights, IL (US);
David Do, Brentwood, CA (US);
Christopher H. Domke, Rosharon, TX (US);
Jacinto Lopez-Toledo, Lake Jackson, TX (US);
David M. Petraitis, Covington, LA (US);
Thomas Z. Srnak, Arlington Heights, IL (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
The present invention relates to processes for the manufacture of one or more ethanolamines and one or more ethyleneamines starting from the reaction of ethylene oxide with ammonia to produce one or more ethanolamines and the conversion of the ethanolamine(s) to ethyleneamine(s). The present invention also relates to separating alkylethyleneamines from ethyleneamines.